整理部份檔案的路徑

初步判斷 GoogleSpreadsheetAPI.py 跟 NetworkTest.py 是 library 性質的
先將他們整理到 lib/ 目錄下
clear PEP-8 syntax warning
Merge remote-tracking branch 'github/develop' into devel
Merge pull request #14 from hacking-thursday/enhance/syntax_and_path_improve

Enhance/syntax and path improve